api: "YAML JSON TOON Database"
version: "1.0.0"
format: "json"
dataset:
  slug: "sed-reference"
  title: "Sed Reference"
  description: "Common sed commands, substitutions, and flags."
  category: "Unix Commands"
  category_slug: "unix-commands"
  tags: "unix,sed,text-processing,stream-editor"
  view_count: 0
data:
  - pattern: "Substitute"
    command: "sed 's/foo/bar/g' file"
    description: "Replace all occurrences of foo with bar globally."
  - pattern: "In-place edit"
    command: "sed -i 's/foo/bar/g' file"
    description: "Edit file in place; use -i.bak for backup."
  - pattern: "Delete lines"
    command: "sed '3d' file"
    description: "Delete line 3. Use /pattern/d for pattern match."
  - pattern: "Print lines"
    command: "sed -n '5,10p' file"
    description: "Print lines 5 through 10 only."
  - pattern: "Insert/append"
    command: "sed '3i\\nNew line' file"
    description: "Insert text before line 3."
  - pattern: "Regex group"
    command: "sed 's/(\\d+)/[\\1]/g'"
    description: "Capture digits in parentheses and wrap in brackets."
  - pattern: "Multiple commands"
    command: "sed -e 's/a/A/g' -e 's/e/E/g'"
    description: "Apply multiple substitution commands."
  - pattern: "Address range"
    command: "sed '1,5s/old/new/' file"
    description: "Substitute only in lines 1 through 5."